Healthcare utilisation of included studies pre–post completed intervention
| Study | N* | Healthcare utilisation measure | Time pre–post (months) | Pre mean (SD) | Post mean (SD) | P value | % change | Overall (mean) % change |
| Baxter et al, 201934 | 35 | General practice visits | 12 | 10.17 (9.09) | 5.26 (5.36) | <0.001 | − 48% | |
| Baxter et al, 201934 | 35 | Hospital admissions | 12 | 4.20 (4.66) | 2.40 (5.33) | 0.001 | − 43% | |
| Krammer et al, 201733 | 25 | Asthma medication score | 6 | 4.6 (NR) | 1.92 (NR) | NR | − 58% | |
| Pargeter and Mansur, 201641 | 249 | Hospital admissions | 12 | 2.44 (4.84) | 0.31 (1.01) | <0.001 | − 87% | |
| Total | 344 | − 59.5% |
*Number of participants.
NR, not reported.